MAHMOUD ALSAYED M.D.
NPI 1215288568
Internal Medicine - Endocrinology, Diabetes & Metabolism in Elmhurst, IL

Q: What is Mahmoud Alsayed's NPI number?

The NPI number for Mahmoud Alsayed is 1215288568. It was assigned to this individual provider in the NPPES registry on September 26, 2012.

Q: What is Mahmoud Alsayed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Mahmoud Alsayed was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 26, 2012PECOS EnrolledAccepts Medicare Assignment

91.35/100

CMS Quality Rating

133 E BRUSH HILL RD STE 310, ELMHURST, IL 60126(331) 221-9003 Get Directions Write a Review

NPPES record last updated: November 16, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mahmoud Alsayed M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAHMOUD ALSAYED M.D. (NPI 1215288568) is an individual endocrinology, diabetes & metabolism provider in Elmhurst, Illinois, licensed in Illinois (036167567) and active in the NPI registry since September 2012. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1215288568

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameMAHMOUD ALSAYEDCredential: M.D.

Location Address133 E BRUSH HILL RD STE 310Elmhurst, IL 60126-5662

Mailing Address4201 Winfield RdWarrenville, IL 60555-4025

Phone(331) 221-9003

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateSeptember 26, 2012

Last NPPES UpdateNovember 16, 2023

NPPES CertifiedNovember 16, 2023

✔ NPI 1215288568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in IL · 036167567

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.062138 (IL)

133 E BRUSH HILL RD STE 310, Elmhurst, IL 60126

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mahmoud Alsayed M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466693783

PECOS Enrollment IDI20231118000222

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mahmoud Alsayed reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Elmhurst Memorial Healthcare

0.2 mi

Multi-Specialty

1200 S YORK ST
Elmhurst, IL 60126

Reassigned Medicare billing, Illinois enrollment
240 clinicians in this Medicare group

NPI 1457493454 (331) 221-9000

Endeavor Health Medical Group

19 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

Banner Cancer Center Specialists LLC

1,374 mi

Oncology

807 S PONDEROSA ST
Payson, AZ 85541

Reassigned Medicare billing, Arizona enrollment
470 clinicians in this Medicare group

NPI 1588158448 (928) 471-3222

Banner - University Physician Specialists LLC

1,438 mi

Multi-Specialty

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

Reassigned Medicare billing, Arizona enrollment
553 clinicians in this Medicare group

NPI 1417312760 (602) 747-4000

Banner Physician Specialists Arizona LLC

1,438 mi

Multi-Specialty

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

Reassigned Medicare billing, Arizona enrollment
538 clinicians in this Medicare group

NPI 1033730429 (602) 747-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

251 services127 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

175 services175 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

117 services65 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

112 services35 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

75 services51 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

49 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.71

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers11 claims44 services$6.77 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

2 suppliers11 claims11 services$309.22 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

4 suppliers33 claims33 services$184.90 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENDALL KILANDER PA-C

Physician Assistant